div#menu {
	background-color: #C1CDCD;
	height: 60px;
}

div#menu ul.niveau1 {
	margin-left: 20%;
	margin-right: 20%;
	height: 100%;
}

div#menu ul.niveau1 li {
	list-style: none;
	float: left;
	height: 75%;
	width: 15%;
	margin-right: 3%;
	margin-left: 3%;
	margin-top: 2%;
	margin-bottom: 2%;
}

div#menu ul.niveau1 li a {
	height: 100%;
	width: 100%;
	display: block;
	background-image: url("/img/bouton.png");
	background-repeat: no-repeat;
	background-position: left;
	text-align: center;
	vertical-align: middle;
}

div#menu ul.niveau1 li a:hover,div#menu ul.niveau1 li:hover {
	background-image: url("/img/bouton_actif.png");
	background-repeat: no-repeat;
	background-position: left;
	font-weight: bold;
}

div#menu ul.niveau1 li a {
	text-decoration: none;
	color: black;
}